Temperature regulating device for fan

ABSTRACT

A temperature regulating device, which is installed with an electric fan, comprises an air-compressing member for outputting a compressed gas, a vortex tube, a hot gas accelerating member, a cold gas accelerating member, and an outputting member. The compressed gas is received by the vortex tube. The compressed gas flowing through the vortex tube is discharged from the hot gas outlet as a hot gas of the vortex tube and is discharged from the cold gas outlet as a cold gas of the vortex tube. The hot gas accelerating member is converged the hot gas and the compressed gas to discharge a high-speed hot gas from the hot gas export outlet. The cold gas accelerating member is converged the cold gas and the compressed gas to discharge a high-speed cold gas from the cold gas export outlet. The high-speed hot gas and the high-speed cold gas in a predetermined ratio are mixed by the outputting member as temperature-adjusted gas to flow from the temperature adjustment gas outlet to an air supply channel of the electric fan so as to adjust temperature of outflowing air of the electric fan.

CROSS-REFERENCE TO RELATED APPLICATION

This application claims priority to Taiwanese Patent Application No. 103131789, filed Sep. 15, 2014, which is hereby incorporated by reference.

FIELD OF THE INVENTION

The present invention relates to an electric fan, and more particularly, to a temperature regulating device for an electric fan.

BACKGROUND OF THE INVENTION

During summer, people use air conditioners to lower the ambient temperature or use electric fans to increase air circulation for physical comfort. Though the air-conditioners can achieve excellent cooling effect, they far exceed the electric fans in terms of cost and power consumption, which do not conform to the concept of energy conservation. Though the electric fans consume comparatively lesser power than the air conditioners, the temperature of outflowing air generated from the electric fans is usually not our expect, so the electric fans is difficult to effectively regulate the ambient temperature. Thus, even using the electric fans, people still swelter. Moreover, people generally utilize electric heaters or electric heating fans to raise the ambient temperature in a cold climate. Since a quartz tube that will burn oxygen is mostly utilized as a heating source for the electric heaters or the electric heating fans, it is likely to cause oxygen deficiency in the indoor environment. Moreover, the temperature of the electric heaters or the electric heating fans will continue to rise as they are used over a long period of time, so it inclines to lead the occurrence of accidental fires.

SUMMARY OF THE INVENTION

In view of this, the present invention provides a temperature regulating device which is energy saving and safe for regulating the temperature of outflowing air generated from an electric fan so as to enable the electric fan to blow cold air and warm air, thus regulating the ambient temperature.

A temperature regulating device, which is installed with an electric fan, comprises:

an air-compressing member for outputting a compressed gas;

a vortex tube having a gas inlet, a cold gas outlet and a hot gas outlet which are connected to the gas inlet, the gas inlet is connected to the air-compressing member to receive the compressed gas, wherein the compressed gas flowing through the vortex tube is discharged from the hot gas outlet as a hot gas having a temperature higher than the compressed gas and is discharged from the cold gas outlet as a cold gas having a temperature lower than the compressed gas;

a hot gas accelerating member having a hot gas export outlet, the hot gas accelerating member is connected to the hot gas outlet and the air-compressing member to converge the hot gas and the compressed gas to discharge a high-speed hot gas from the hot gas export outlet;

a cold gas accelerating member having a cold gas export outlet, the cold gas accelerating member is connected to the cold gas outlet and the air-compressing member to converge the cold gas and the compressed gas to discharge a high-speed cold gas from the cold gas export outlet; and

an outputting member having a temperature adjustment gas outlet and an exhaust outlet, the outputting member is connected to the hot gas export outlet and the cold gas export outlet, wherein the high-speed hot gas and the high-speed cold gas in a predetermined ratio are mixed as temperature adjusted gas to flow from the temperature adjustment gas outlet to an air supply channel of the electric fan so as to adjust temperature of outflowing air of the electric fan while the high-speed hot gas and the high-speed cold gas not in the predetermined ratio are discharged from the exhaust outlet.

Another object of the present invention is to provide a temperature regulating device, wherein the outputting member includes a flow regulating valve having a first inlet port, a second inlet port and a gas regulation outlet port, the first inlet port is connected to the hot gas export outlet, the second inlet port is connected to the cold gas export outlet, and the gas regulation outlet port is connected to the temperature adjustment gas outlet of the outputting member.

Another object of the present invention is to provide a temperature regulating device, the flow regulating valve is a three-way valve, and the gas regulation outlet port is provided for switching a flow communication in relation to either the first inlet port or the second inlet port.

Another object of the present invention is to provide a temperature regulating device, wherein the outputting member includes a three-way pipe, which is connected among the hot gas export outlet, the temperature adjustment gas outlet and an exhaust outlet or is connected among the cold gas export outlet, the temperature adjustment gas outlet and an exhaust outlet.

Another object of the present invention is to provide a temperature regulating device, wherein the hot gas accelerating member is provided with a straight tube portion and an inclined tube portion obliquely connected to the straight tube portion, the straight tube portion is connected to the hot gas outlet of the vortex tube, and the inclined tube portion is connected to the air-compressing member.

Another object of the present invention is to provide a temperature regulating device, wherein the cold gas accelerating member is provided with a straight tube portion and an inclined tube portion obliquely connected to the straight tube portion, the straight tube portion is connected to the cold gas outlet of the vortex tube, and the inclined tube portion is connected to the air-compressing member.

Another object of the present invention is to provide a temperature regulating device, which further comprises a pressure adjusting member, which is disposed on a compressed gas transporting tube, the compressed gas transporting tube being connected between the air-compressing member and the gas inlet opening of the vortex tube.

Another object of the present invention is to provide a temperature regulating device, which further comprises a pressure adjusting member, which is disposed on a compressed gas transporting tube, the compressed gas transporting tube being connected among the air-compressing member, the hot gas accelerating member and the cold gas accelerating member.

With the characteristic features of the temperature regulating device as above, the vortex tube of the temperature regulating device which is applied on an electric fan can generate cold gas and warm gas, and cold gas and warm gas can be mixed by the other member, so the electric fan can output outlet air in various temperatures as needed. Moreover, the mechanism of producing the cold gas and the warm gas from the compressed gas by the temperature regulating device has the advantages such as low power consumption and non-consumption of oxygen compared to the conventional air conditioners, electric heaters or electric heating fans.

BRIEF DESCRIPTION OF THE DRAWINGS

The structure and the technical means adopted by the present invention to achieve the above and other objectives can be best understood by referring to the following detailed description of the preferred embodiments and the accompanying drawings.

FIG. 1 is a schematic diagram illustrating a temperature regulating device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram illustrating the temperature regulating device shown in FIG. 1 applied on an electric fan according to the embodiment of the present invention; and

FIG. 3 is a schematic diagram illustrating a temperature regulating device according to another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

Embodiments are described in detail below with reference to the FIGS. 1 to 3, and the description is used for explaining the embodiments of the present invention only, but not intended to limit the described embodiments of the present invention.

Referring to FIGS. 1 and 2, a temperature regulating device 100 installed with an electric fan F according to one embodiment of the present invention includes an air-compressing member 1 for outputting compressed gas G1, a vortex tube 2, a hot gas accelerating member 3, a cold gas accelerating member 4, and an outputting member 5.

The vortex tube 2 has a gas inlet 21, a hot gas outlet 22 and a cold gas outlet 23. The gas inlet 21 is connected to the air-compressing member 1 to receive the compressed gas G1. The compressed gas flowing through the vortex tube 2 is discharged from the hot gas outlet 22 as a hot gas G2 having a temperature higher than the compressed gas G1 and is discharged from the cold gas outlet 23 as a cold gas G3 having a temperature lower than the compressed gas G1.

The hot gas accelerating member 3 has a hot gas export outlet 31. The hot gas accelerating member 3 is connected to the hot gas outlet 22 and the air-compressing member 1 to converge the hot gas G2 of the vortex tube 2 and the compressed gas G1 to discharge high-speed hot gas G4 from the hot gas export outlet 31.

The cold gas accelerating member 4 has a cold gas export outlet 41. The cold gas accelerating member 4 is connected to the cold gas outlet 23 and the air-compressing member 1 to converge the cold gas G3 and the compressed gas G1 to discharge a high-speed cold gas G5 from the cold gas export outlet 41.

The outputting member 5 has a temperature adjustment gas outlet 51 and an exhaust outlet 52. The outputting member 5 is connected to the hot gas export outlet 31 of the hot gas accelerating member 3 and the cold gas export outlet 41 of the cold gas accelerating member 4. The outputting member 5 is mixing the high-speed hot gas G4 and the high-speed cold gas G5 in a predetermined ratio as temperature-adjusted gas G6 to flow from the temperature adjustment gas outlet 51 to an air supply channel of the electric fan F so as to adjust temperature of outflowing air of the electric fan F while the high-speed hot gas G4 and the high-speed cold gas G5 not in the predetermined ratio are discharged from the exhaust outlet 52. In the present embodiment, the temperature -adjusted gas outlet 51 is disposed on an air inlet I of the electric fan F. Certainly, the temperature adjustment gas outlet 51 could be disposed on an air outlet 0 of the electric fan F.

Referring to FIG. 1, in the present embodiment, the hot gas accelerating member 3 is provided with a straight tube portion 32 and an inclined tube portion 33 obliquely connected to the straight tube portion 32. The hot gas outlet 22 of the vortex tube 2 is connected to the straight tube portion 32, and the air-compressing member 1 is connected to the inclined tube portion 33. The hot gas accelerating member 3 is to enables the compressed gas G1 to be obliquely entered therein and to enable the compressed gas G1 to converge with the hot gas G2 to discharge the high-speed hot gas G4 by virtue of the inclined tube portion 33.

As shown in FIG. 1, in the present embodiment, the cold gas accelerating member 4 is provided with a straight tube portion 42 and an inclined tube portion 43 obliquely connected to the straight tube portion 42. The cold gas outlet 23 of the vortex tube 2 is connected to the straight tube portion 42, and the air-compressing member 1 is connected to the inclined tube portion 43. The cold gas accelerating member 4 enables the compressed gas G1 to be obliquely entered therein and to enable the compressed gas G1 to converge with the cold gas G3 to discharge the high-speed cold gas G5 by virtue of the inclined tube portion 43.

As shown in FIG. 1, in the present embodiment, the outputting member 5 includes two flow regulating valves 53 and 54.

The flow regulating valve 53 has a first inlet port 531, a second inlet port 532 and a gas regulation outlet port 533. The first inlet port 531 is connected to the hot gas export outlet 31 of the hot gas accelerating member 3. The second inlet port 532 is connected to the cold gas export outlet 41 of cold gas accelerating member 4. The gas regulation outlet port 533 is connected to the adjustment temperature gas outlet 51 of the outputting member 5. Specially, the flow regulating valve is a three-way valve. The gas regulation outlet port 533 is configured to switch between a state of being interconnected with the first inlet port 531 and a state of being interconnected with the second inlet port 532. The high-speed hot gas G4 from the hot gas export outlet 31 is discharged from the gas-regulating output terminal 533 through the flow regulating valve 53 to increase the temperature of outflowing air of the electric fan F while the gas regulation outlet port 533 is interconnected with the first inlet port 531 by switching the flow regulating valve 53.

The high-speed cold gas G5 from the cold gas export outlet 41 is discharged from the gas regulation outlet port 533 through the flow regulating valve 53 to lower the temperature of outflowing air of the electric fan F while the gas regulation outlet port 533 is interconnected with the second inlet port 532 by switching the flow regulating valve 53. However, the present invention is not limited to this. The flow regulating valve 53 can be replaced as a gas flow rate regulating valve able to adjust the rate of the high-speed hot gas G4 discharged from the hot gas export outlet 31 to the flow regulating valve 53 and the high-speed cold gas G5 discharged from the cold export outlet 41 to the flow regulating valve 53.

The flow regulating valve 54 has a first inlet port 541, a second inlet port 542 and an exhaust output terminal 543. The first inlet port 541 is connected to the hot gas export outlet 31 of the hot gas accelerating member 3. The second inlet port 542 is connected to the cold gas export outlet 41. The exhaust output terminal 543 is connected to the exhaust outlet 52 of the outputting member 5. Specially, the flow regulating valve is a three-way valve.

As shown in FIG. 1, the outputting member 5 includes two three-way pipes 55 and 56. The three-way pipe 55 is connected among the hot gas export outlet 31, the temperature adjustment gas outlet 51 and an exhaust outlet 52 to flow the high-speed hot gas G4 discharged from the hot gas export outlet 31 to the flow regulating valve 53. The three-way pipe 56 is connected among the cold gas export outlet 41, the temperature adjustment gas outlet 51 and an exhaust outlet 52.

Specially, as shown in FIG. 2, the temperature regulating device 100 includes a shield 8 for accommodating the air-compressing member 1, the vortex tube 2, the hot gas accelerating member 3, the cold gas accelerating member 4, the flow regulating valves 53 and 54 and the three-way pipes 55 and 56 so as to facilitate movement or installation of the temperature regulating device 100.

As shown FIG. 1, in the present embodiment, the temperature regulating device 100 further includes a pressure adjusting member 6, which is disposed on a compressed gas transporting tube L1. The compressed gas transporting tube L1 is connected between the air-compressing member 1 and the gas inlet opening 21 of the vortex tube 2. Specially, the pressure adjusting member 6 is a pressure regulator.

As shown in FIG. 3, a temperature regulating device 100 a according to another embodiment of the present invention and the temperature regulating device 100 are roughly the same. The similar details of the embodiment will thus be omitted herein. The difference is that the temperature regulating device 100 a further includes a pressure adjusting member 7, which is disposed on a compressed gas transporting tube L2. The compressed gas transporting tube L2 is connected among the air-compressing member 1, the hot gas accelerating member 3 and the cold gas accelerating member 4.

The above describes the preferred possible embodiments of the present invention, which are not intended to limit the scope of the present invention, so the equivalent structural changes according to the above specification and the accompanied claims of the present invention are considered to be included within the scope of the present invention. 

What is claimed is:
 1. A temperature regulating device, which is installed with an electric fan, comprising: an air-compressing member for outputting a compressed gas; a vortex tube having a gas inlet, a cold gas outlet and a hot gas outlet which are connected to the gas inlet, the gas inlet connected to the air-compressing member to receive the compressed gas, wherein the compressed gas flowing through the vortex tube is discharged from the hot gas outlet as a hot gas having a temperature higher than the compressed gas and is discharged from the cold gas outlet as a cold gas having a temperature lower than the compressed gas; a hot gas accelerating member having a hot gas export outlet, the hot gas accelerating member connected to the hot gas outlet and the air-compressing member to converge the hot gas and the compressed gas to discharge a high-speed hot gas from the hot gas export outlet; a cold gas accelerating member having a cold gas export outlet, the cold gas accelerating member connected to the cold gas outlet and the air-compressing member to converge the cold gas and the compressed gas to discharge a high-speed cold gas from the cold gas export outlet; and an outputting member having a temperature adjustment gas outlet and an exhaust outlet, the outputting member being connected to the hot gas export outlet and the cold gas export outlet, wherein the high-speed hot gas and the high-speed cold gas in a predetermined ratio are mixed as temperature-adjusted gas to flow from the temperature adjustment gas outlet to an air supply channel of the electric fan so as to adjust temperature of outflowing air of the electric fan while the high-speed hot gas and the high-speed cold gas not in the predetermined ratio are discharged from the exhaust outlet.
 2. The temperature regulating device for electric fans of claim 1, wherein the outputting member includes a flow regulating valve having a first inlet port, a second inlet port and a gas regulation outlet port, the first inlet port is connected to the hot gas export outlet, the second inlet port is connected to the cold gas export outlet, and the gas regulation outlet port is connected to the temperature adjustment gas outlet of the outputting member.
 3. The temperature regulating device for electric fans of claim 2, wherein the flow regulating valve is a three-way valve, and the gas regulation outlet port is provided for switching a flow communication in relation to either the first inlet port or the second inlet port.
 4. The temperature regulating device for electric fans of claim 2, wherein the outputting member includes a three-way pipe, which is connected among the hot gas export outlet, the temperature adjustment gas outlet and an exhaust outlet or is connected among the cold gas export outlet, the temperature adjustment gas outlet and an exhaust outlet.
 5. The temperature regulating device for electric fans of claims 1, wherein the hot gas accelerating member is provided with a straight tube portion and an inclined tube portion obliquely connected to the straight tube portion, the straight tube portion is connected to the hot gas outlet of the vortex tube, and the inclined tube portion is connected to the air-compressing member.
 6. The temperature regulating device for electric fans of claim 1, wherein the cold gas accelerating member is provided with a straight tube portion and an inclined tube portion obliquely connected to the straight tube portion, the straight tube portion is connected to the cold gas outlet of the vortex tube, and the inclined tube portion is connected to the air-compressing member.
 7. The temperature regulating device for electric fans of claim 1, further comprising a pressure adjusting member, which is disposed on a compressed gas transporting tube, the compressed gas transporting tube being connected between the air-compressing member and the gas inlet opening of the vortex tube.
 8. The temperature regulating device for electric fans of claim 1, further comprising a pressure adjusting member, which is disposed on a compressed gas transporting tube, the compressed gas transporting tube being connected among the air-compressing member, the hot gas accelerating member and the cold gas accelerating member. 